CN218615885U

CN218615885U - Printing machine with supplementary material loading

Info

Publication number: CN218615885U
Application number: CN202222423176.0U
Authority: CN
Inventors: 木洛阿比子
Original assignee: Mu Luoabizi
Current assignee: Wuhan Jingyijia Printing Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-14
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a printing machine with supplementary material loading, including PMKD, PMKD's lower surface four corners fixed mounting has the truckle, PMKD's upper surface one end fixed mounting has the handle, PMKD's upper surface one side fixed mounting has fixed frame, slidable mounting has lifting unit in the fixed frame, fixed surface installs the centre gripping subassembly on the lifting unit. The utility model discloses a second drives first lead screw when positive reverse motor output shaft rotates and rotates, drives the second lead screw through the adapter sleeve when first lead screw rotates and rotates, and first lead screw drives the slide with the second lead screw when rotating and slides, and fixed advantage is adjusted according to the width of printing coil stock to two sets of slides drive grip blocks.

Description

Printing machine with supplementary material loading

Technical Field

The utility model belongs to the technical field of supplementary material loading printing machine, especially, relate to a printing machine with supplementary material loading.

Background

A printer is a machine that prints text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate. The invention and the development of the printing machine play an important role in the transmission of human civilization and culture, and the publication number is as follows: CN217024596U relates to the technical field of auxiliary feeding, in particular to a feeding auxiliary device for a printing machine, which comprises a box body and a conveying mechanism, wherein a storage cabinet is fixedly installed inside the box body, a conveying table is fixedly installed at the top of the box body, the conveying mechanism is fixedly installed on the right side of the top of the conveying table, an installation groove is formed in the left side of the conveying table, a belt conveyor is installed inside the installation groove, a driving motor is installed on the right front side of the belt conveyor, an electric push rod is obliquely hinged to the left side of the conveying table, and the telescopic end of the electric push rod is hinged to one surface of an inclined plate facing the box body; transport mechanism includes the framework and places the platform, the interior bottom fixed mounting of framework has first motor, fixed mounting has the threaded rod on the output shaft of first motor, the outside threaded connection of threaded rod has the carriage release lever, the left side fixed mounting of carriage release lever has the fixed plate. This feeding auxiliary device for printing machine, material loading efficiency is high and convenient transport.

The problems of the technology are as follows: when the printing, the height setting of spool position is transferred in general condition in the frame, consequently when unreeling carrying out the material loading to printing material, raises the printing coil stock manual work of lapping, raises the back and makes the shaft barrel of printing coil stock just push into behind the axle of unreeling on the printing machine, and the completion material loading unreels. Because the printing coil stock is heavier, need many people at least to raise the transport, still need alone in addition in the front to see whether the beam barrel aligns with unreeling the axle, impel to the face inwards again, the in-process needs many people to participate in, and a large amount of manpower resources of inefficiency waste because the artifical hand-loss can also lead to the incident to take place in handling, therefore we provide a printing machine with supplementary material loading.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a printing machine with supplementary material loading, possess and to adjust printing coil stock height according to the position of unreeling the axle, can adjust fixedly according to the printing coil stock of different width when height-adjusting, the advantage that the stability of printing coil stock when going up and down prevented dropping has been guaranteed, when having solved printing, the high setting of spool position is transferred in general condition in the frame, consequently when unreeling to the printing material, raise the printing coil stock manual work of lapping, the bobbin that makes the printing coil stock after raising just pushes away behind the unreeling axle on the printing machine, it unreels to accomplish the material. Because the printing coil stock is heavier, needs many people to raise the transport at least, still needs alone in the front to see whether the axle cylinder aligns with unreeling the axle in addition, impels to the inside again, and the in-process needs many people to participate in, and a large amount of manpower resources of inefficiency waste owing to the problem that the manual mistake still can lead to the incident to take place in handling.

The utility model discloses a realize like this, a printing machine with supplementary material loading, including PMKD, PMKD's lower surface four corners fixed mounting has the truckle, PMKD's upper surface one end fixed mounting has the handle, PMKD's upper surface one side fixed mounting has fixed frame, sliding mounting has lifting unit in the fixed frame, lifting unit upper surface fixed mounting has the centre gripping subassembly.

As the utility model discloses it is preferred, lifting unit is including the lift post, lift post slidable mounting is in fixed frame, the lift post is the symmetry and is provided with two sets ofly, fixed frame's both sides inner wall fixed mounting has the pinion rack, and is two sets of rotate between the fixed frame and install first rotation pole, first rotation pole is the symmetry and is provided with two sets ofly, it installs the gear, two sets of to rotate on the first rotation pole the gear is the opposite direction and rotates the setting.

As the utility model discloses it is preferred, wherein a set of the one end of gear is rotated and is installed the second dwang, the second dwang is all rotated with the one end outer fringe of one of them a set of first dwang and is installed the sprocket, and is two sets of all rotate on the sprocket and install the chain, all rotate on second dwang and another set of first dwang and install the worm wheel, it is two sets of the worm wheel meshing rotates.

As the utility model discloses preferred, wherein a set of one side fixed mounting of lift post has first positive and negative motor that rotates, first positive and negative motor output shaft one end is connected with one of them a set of first transfer pole rotation.

As the utility model discloses preferred, the centre gripping subassembly is including the fixed column, fixed column fixed mounting is in two sets of lifting column upper surfaces, one side slidable mounting of fixed column has the fixed plate, one side slidable mounting of fixed plate has the slide, the slide is the symmetry and is provided with two sets ofly, one side fixed mounting of slide has the grip block.

As the utility model discloses it is preferred, the fixed orifices has been seted up to one side of fixed column, the one end inner wall fixed mounting of fixed orifices has electric putter, electric putter piston rod one end and fixed plate fixed connection.

As the utility model discloses it is preferred, the spout has been seted up to one side of fixed plate, one side fixed mounting of fixed plate has the second motor that is just reversing, second motor output shaft one end that is just reversing alternates the fixed plate and rotates and be connected with first lead screw, the one end of first lead screw is rotated through the adapter sleeve and is connected with the second lead screw, and is two sets of slide slidable mounting is respectively on first lead screw and second lead screw.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model adopts the design of the fixed bottom plate, the handle, the caster wheels, the fixed frame, the lifting component and the clamping component, the integral structure is fixedly arranged on the fixed bottom plate, the truckles are convenient for moving the fixed bottom plate, the handle is convenient for pulling the fixed bottom plate to move, when in use, the output shaft of the second forward and reverse rotating motor drives the first screw rod to rotate when rotating, the second screw rod is driven to rotate by the connecting sleeve when rotating the first screw rod, the first screw rod and the second screw rod drive the sliding plates to slide when rotating, the two groups of sliding plates drive the clamping plates to adjust and fix according to the width of the printing coil stock, the output shaft of the first forward and reverse rotating motor drives one group of first rotating rods to rotate, wherein one group of the first rotating rods drives one group of the gears and the toothed plates to rotate, and one group of the first rotating rods also drives one group of the chain wheels to rotate when rotating, one group of chain wheels drives the chain to rotate, the chain drives the two groups of chain wheels to rotate simultaneously, the other group of chain wheels drives the second rotating rod to rotate, the second rotating rod drives one group of worm wheels to rotate, wherein one worm wheel drives the other worm wheel to rotate, the other worm wheel drives the other first rotating rod to rotate, so that the two groups of gears and the two groups of toothed plates are driven to rotate in a meshed manner to drive the lifting column to adjust up and down, after the lifting column drives the shaft cylinder of the printing coil stock to be over against the unreeling shaft on the printing machine, one end of the piston rod of the electric push rod pushes the fixing plate to slide, so that the fixed plate drives the shaft cylinder of the printing coil stock to be placed into the unreeling shaft on the printing machine, the two groups of clamping plates are adjusted to loosen the printing coil stock, thereby achieving the purpose of adjusting the height of the printing coil stock according to the position of the unreeling shaft, can adjust fixedly according to the printing coil stock of different width when height-adjusting, guaranteed the printing coil stock after going up and down and put into the stability when putting the spool on the printing machine and prevent to drop.

2. The utility model discloses a design of lift post, first pivot pole, pinion rack and gear for lift post slidable mounting drives gear and pinion rack meshing rotation when two sets of first pivot poles rotate in fixed frame, because two sets of gears are the opposite direction and rotate the setting, thereby reach the lift post and can drive printing coil stock and adjust from top to bottom.

3. The utility model discloses a second dwang, first dwang, the sprocket, the design of chain and chain, make wherein also drive wherein a set of sprocket and rotate when a set of first dwang rotates, wherein a set of sprocket drives the chain and rotates, the chain drives two sets of sprockets and rotates simultaneously, another set of sprocket drives the second dwang and rotates, the second dwang drives wherein a set of worm wheel and rotates, wherein a set of worm wheel drives another set of worm wheel and rotates, another set of worm wheel drives another set of first dwang and rotates, make and drive the effect that two sets of gears counter-rotating rotated and rotate and prevent to block with two sets of pinion rack meshing.

4. The utility model discloses a design of first positive reverse motor for first positive reverse motor fixed mounting drives one of them a set of first rotation pole and rotates when first positive reverse motor output shaft rotates in one side of lift post, thereby reaches and adjusts from top to bottom automatically drives the lift post.

5. The utility model discloses a design of fixed column, fixed plate, slide and grip block for fixed column fixed mounting slides in one side of fixed plate in the upper surface of two sets of lift posts, and two sets of slides drive two sets of grip blocks when sliding and adjust fixedly according to the width of printing coil stock.

6. The utility model discloses an electric putter's design for the fixed orifices has been seted up to one side of fixed column, and electric putter fixed mounting promotes the fixed plate and slides in the one end inner wall of fixed orifices, electric putter piston rod one end, makes the shaft barrel that the fixed plate drove the printing coil stock put into on the unreeling axle on the printing machine.

7. The utility model discloses a spout, the design of second positive and negative motor, first lead screw, second lead screw and adapter sleeve for drive first lead screw when the second positive and negative motor output shaft rotates and rotate, first lead screw passes through the adapter sleeve and drives the second lead screw and rotate, thereby reaches first lead screw and second lead screw and drives the slide and slide on the spout.

Drawings

Fig. 1 is a schematic perspective view of the overall structure provided by the embodiment of the present invention;

fig. 2 is a schematic perspective view of a lifting assembly provided in an embodiment of the present invention;

fig. 3 is a schematic perspective view of a clamping structure according to an embodiment of the present invention.

In the figure: 1. fixing the bottom plate; 2. a handle; 3. a caster wheel; 4. a fixed frame; 5. a lifting assembly; 501. a toothed plate; 502. a lifting column; 503. a first positive and negative rotation motor; 504. a first rotating lever; 505. a gear; 506. a sprocket; 507. a chain; 508. a second rotating lever; 509. a worm gear; 6. a clamping assembly; 601. fixing a column; 602. an electric push rod; 603. a fixing plate; 604. a clamping plate; 605. a chute; 606. a second positive and negative rotation motor; 607. a first lead screw; 608. connecting sleeves; 609. a second lead screw; 610. a slide board.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the embodiment of the utility model provides a pair of printing machine with supplementary material loading, including PMKD 1, PMKD 1's lower surface four corners fixed mounting has truckle 3, and PMKD 1's upper surface one end fixed mounting has handle 2, and PMKD 1's upper surface one side fixed mounting has fixed frame 4, and slidable mounting has lifting unit 5 in fixed frame 4, and fixed surface installs clamping component 6 on lifting unit 5.

The scheme is adopted: through the design of the fixed bottom plate 1, the handle 2, the caster 3, the fixed frame 4, the lifting component 5 and the clamping component 6, the whole structure is fixedly installed on the fixed bottom plate 1, the caster 3 is convenient to move the fixed bottom plate 1, the handle 2 is convenient to pull the fixed bottom plate 1 to move, when in use, an output shaft of the second forward and reverse rotation motor 606 rotates to drive the first screw mandrel 607 to rotate, the first screw mandrel 607 rotates to drive the second screw mandrel 609 to rotate through the connecting sleeve 608, the first screw mandrel 607 and the second screw mandrel 609 rotate to drive the sliding plate 610 to slide, the two groups of sliding plates 610 drive the clamping plate 604 to adjust and fix according to the width of a printing coil stock, the output shaft of the first forward and reverse rotation motor 503 rotates to drive one group of the first rotating rods 504 to rotate, one group of the first rotating rods 504 drives one group of the gears 505 and the toothed plate 501 to rotate, one group of the first rotating rods 504 also drives one group of the chain wheels 506 to rotate, one group of chain wheels 506 drives the chain 507 to rotate, the chain 507 drives the two groups of chain wheels 506 to rotate simultaneously, the other group of chain wheels 506 drives the second rotating rod 508 to rotate, the second rotating rod 508 drives one group of worm wheels 509 to rotate, one group of worm wheels 509 drives the other group of worm wheels 509 to rotate, the other group of worm wheels 509 drives the other group of first rotating rods 504 to rotate, so that the two groups of gears 505 and the two groups of toothed plates 501 are driven to be meshed and rotated to drive the lifting columns 502 to adjust up and down, after the lifting columns 502 drive the shaft cylinders of the printing coil materials to be right opposite to the unwinding shafts on the printing machine, one end of the piston rod of the electric push rod 602 pushes the fixing plate 603 to slide, so that the fixing plate 603 drives the shaft cylinders of the printing coil materials to be placed on the unwinding shafts on the printing machine, the two groups of clamping plates 604 adjust the printing coil materials to be unwound, and therefore the height of the printing coil materials can be adjusted according to the unwinding shafts, can adjust fixedly according to the printing coil stock of different width when height-adjusting, guaranteed the printing coil stock after going up and down and put into the stability when putting the spool on the printing machine and prevent to drop.

Referring to fig. 2, the lifting assembly 5 includes a lifting column 502, the lifting column 502 is slidably mounted in the fixed frame 4, the lifting column 502 is symmetrically provided with two sets, the inner walls of two sides of the fixed frame 4 are fixedly provided with toothed plates 501, a first rotating rod 504 is rotatably mounted between the two sets of fixed frames 4, the first rotating rod 504 is symmetrically provided with two sets, a gear 505 is rotatably mounted on the first rotating rod 504, and the two sets of gears 505 are rotatably disposed in opposite directions.

Adopt above-mentioned scheme: through the design of lift post 502, first rotation pole 504, pinion rack 501 and gear 505 for lift post 502 slidable mounting is in fixed frame 4, and two sets of first rotation poles 504 rotate and drive gear 505 and pinion rack 501 meshing rotation, because two sets of gears 505 are the opposite direction rotation setting, thereby reach lift post 502 and can drive the printing coil stock and adjust from top to bottom.

Referring to fig. 2, one end of one of the gears 505 is rotatably mounted with a second rotating rod 508, the second rotating rod 508 and an outer edge of one end of one of the first rotating rods 504 are rotatably mounted with chain wheels 506, two groups of chain wheels 506 are rotatably mounted with chains 507, the second rotating rod 508 and the other group of first rotating rods 504 are rotatably mounted with worm gears 509, and the two groups of worm gears 509 are meshed for rotation.

Adopt above-mentioned scheme: through the design of second dwang 508, first dwang 504, sprocket 506, chain 507 and chain 507 for one of them group first dwang 504 also drives one of them group sprocket 506 to rotate when rotating, one of them group sprocket 506 drives the chain 507 and rotates, chain 507 drives two sets of sprockets 506 and rotates simultaneously, another group sprocket 506 drives second dwang 508 and rotates, second dwang 508 drives one of them group worm wheel 509 to rotate, one of them group worm wheel 509 drives another group worm wheel 509 to rotate, another group worm wheel 509 drives another group first dwang 504 to rotate, make drive two sets of gears 505 and rotate the effect of preventing blocking with two sets of pinion rack 501 meshing rotation in opposite directions.

Referring to fig. 2, a first forward/reverse rotation motor 503 is fixedly installed on one side of one set of lifting columns 502, and one end of an output shaft of the first forward/reverse rotation motor 503 is rotatably connected to one set of first rotation rod 504.

Adopt above-mentioned scheme: through the design of the first forward and reverse rotating motor 503, the first forward and reverse rotating motor 503 is fixedly installed at one side of the lifting column 502, and when the output shaft of the first forward and reverse rotating motor 503 rotates, one group of the first rotating rods 504 is driven to rotate, so that the lifting column 502 is automatically driven to be adjusted up and down.

Referring to fig. 3, the clamping assembly 6 includes a fixing column 601, the fixing column 601 is fixedly mounted on the upper surfaces of the two sets of lifting columns 502, a fixing plate 603 is slidably mounted on one side of the fixing column 601, sliding plates 610 are slidably mounted on one side of the fixing plate 603, the two sets of sliding plates 610 are symmetrically arranged, and a clamping plate 604 is fixedly mounted on one side of the sliding plates 610.

Adopt above-mentioned scheme: through the design of the fixed column 601, the fixed plate 603, the sliding plates 610 and the clamping plates 604, the fixed column 601 is fixedly installed on the upper surfaces of the two sets of lifting columns 502, the two sets of sliding plates 610 slide on one side of the fixed plate 603, and the two sets of sliding plates 610 drive the two sets of clamping plates 604 to adjust and fix according to the width of the printing coil stock when sliding.

Referring to fig. 3, a fixing hole is formed in one side of the fixing column 601, an electric push rod 602 is fixedly mounted on an inner wall of one end of the fixing hole, and one end of a piston rod of the electric push rod 602 is fixedly connected to the fixing plate 603.

The scheme is adopted: through electric putter 602's design for the fixed orifices has been seted up to one side of fixed column 601, and electric putter 602 fixed mounting is in the one end inner wall of fixed orifices, and electric putter 602 piston rod one end promotes fixed plate 603 and slides, makes fixed plate 603 drive the shaft barrel of printing coil stock put into the unreeling on the printing machine on the spool.

Referring to fig. 3, a sliding groove 605 is formed in one side of the fixing plate 603, a second forward and reverse rotation motor 606 is fixedly mounted on one side of the fixing plate 603, one end of an output shaft of the second forward and reverse rotation motor 606 penetrates through the fixing plate 603 and is rotatably connected with a first lead screw 607, one end of the first lead screw 607 is rotatably connected with a second lead screw 609 through a connecting sleeve 608, and two sets of sliding plates 610 are slidably mounted on the first lead screw 607 and the second lead screw 609 respectively.

Adopt above-mentioned scheme: through the design of the sliding slot 605, the second forward and reverse rotation motor 606, the first lead screw 607, the second lead screw 609 and the connecting sleeve 608, the output shaft of the second forward and reverse rotation motor 606 drives the first lead screw 607 to rotate when rotating, the first lead screw 607 drives the second lead screw 609 to rotate through the connecting sleeve 608, and therefore the first lead screw 607 and the second lead screw 609 drive the sliding plate 610 to slide on the sliding slot 605.

The utility model discloses a theory of operation:

when the printing roll is used, the output shaft of the second forward and reverse rotation motor 606 rotates to drive the first lead screw 607 to rotate, the first lead screw 607 rotates to drive the second lead screw 609 to rotate through the connecting sleeve 608, the first lead screw 607 and the second lead screw 609 rotate to drive the sliding plate 610 to slide, the two groups of sliding plates 610 drive the clamping plate 604 to be adjusted and fixed according to the width of a printing roll, the output shaft of the first forward and reverse rotation motor 503 rotates to drive one group of first rotating rods 504 to rotate, one group of first rotating rods 504 drive one group of gears 505 and the toothed plate 501 to rotate, one group of first rotating rods 504 rotate to drive one group of chain wheels 506 to rotate, one group of chain wheels 506 drive the chain 507 to rotate, the chain 507 drives the two groups of chain wheels 506 to rotate simultaneously, the other group of chain wheels 506 drive the second rotating rods 508 to rotate, and the second rotating rods 508 drive one group of worm wheels 509 to rotate, wherein a set of worm wheel 509 drives another worm wheel 509 and rotates, another worm wheel 509 drives another first rotation pole 504 of a set of and rotates, make drive two sets of gears 505 and two sets of pinion rack 501 meshing and rotate and drive lift post 502 and adjust from top to bottom, lift post 502 drives the shaft barrel of printing coil stock and just to the unreeling axle on the printing machine after, electric putter 602 piston rod one end promotes fixed plate 603 and slides, make fixed plate 603 drive the shaft barrel of printing coil stock and put into the unreeling axle on the printing machine, two sets of grip blocks 604 readjust and loosen the printing coil stock, thereby reach and to adjust printing coil stock height according to the position of unreeling the axle, can adjust fixedly according to the printing coil stock of different width when height-adjusting, guaranteed the printing coil stock after going up and down and put into the stability when unreeling the axle on the printing machine and prevent to drop.

In summary, the following steps: this printing machine with supplementary material loading, through pinion rack 501, lift post 502, first positive and negative motor 503, first rotation pole 504, gear 505, sprocket 506, chain 507, second rotation pole 508, worm wheel 509, fixed column 601, electric putter 602, fixed plate 603, grip block 604, spout 605, second positive and negative motor 606, first lead screw 607, adapter sleeve 608, the cooperation between second lead screw 609 and the slide 610, when having solved printing, the height that the spool position was transferred to general situation sets up in the frame, consequently when unreeling to the printing material, raise the printing coil stock manual work of lapping, after raising, make the shaft barrel of printing coil stock push into behind the unreeling shaft on the printing machine, accomplish the material loading and unreel. Because the printing coil stock is heavier, needs many people to raise the transport at least, still needs alone in the front to see whether the axle cylinder aligns with unreeling the axle in addition, impels to the inside again, and the in-process needs many people to participate in, and a large amount of manpower resources of inefficiency waste owing to the problem that the manual mistake still can lead to the incident to take place in handling.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A printing machine with auxiliary feeding, comprising a fixed base plate (1), characterized in that: the lower surface four corners fixed mounting of PMKD (1) has truckle (3), the upper surface one end fixed mounting of PMKD (1) has handle (2), upper surface one side fixed mounting of PMKD (1) has fixed frame (4), slidable mounting has lifting unit (5) in fixed frame (4), fixed surface installs centre gripping subassembly (6) on lifting unit (5).

2. A printing press with sub-loading as in claim 1, wherein: lifting unit (5) is including lift post (502), lift post (502) slidable mounting is in fixed frame (4), lift post (502) are the symmetry and are provided with two sets ofly, the both sides inner wall fixed mounting of fixed frame (4) has pinion rack (501), and is two sets of rotate between fixed frame (4) and install first rotation pole (504), first rotation pole (504) are the symmetry and are provided with two sets ofly, rotate on first rotation pole (504) and install gear (505), two sets of gear (505) are the opposite direction and rotate the setting.

3. A printing press with sub-loading as in claim 2, wherein: wherein a set of the one end of gear (505) is rotated and is installed second dwang (508), second dwang (508) all rotates with the one end outer fringe of a set of first dwang (504) wherein and installs sprocket (506), and is two sets of all rotate on sprocket (506) and install chain (507), all rotate on second dwang (508) and another set of first dwang (504) and install worm wheel (509), two sets of worm wheel (509) meshing rotation.

4. A printing press with sub-loading as in claim 3, wherein: one side of one group of the lifting columns (502) is fixedly provided with a first forward and reverse rotating motor (503), and one end of an output shaft of the first forward and reverse rotating motor (503) is rotationally connected with one group of the first rotating rods (504).

5. A printing press with sub-loading as in claim 1, wherein: the clamping assembly (6) comprises a fixing column (601), the fixing column (601) is fixedly mounted on the upper surfaces of the two sets of lifting columns (502), a fixing plate (603) is slidably mounted on one side of the fixing column (601), a sliding plate (610) is slidably mounted on one side of the fixing plate (603), the sliding plate (610) is symmetrically provided with two sets of clamping plates (604), and one side of each sliding plate (610) is fixedly mounted with a clamping plate (604).

6. A printing press with sub-loading as in claim 5, wherein: a fixing hole is formed in one side of the fixing column (601), an electric push rod (602) is fixedly mounted on the inner wall of one end of the fixing hole, and one end of a piston rod of the electric push rod (602) is fixedly connected with the fixing plate (603).

7. A printing press with sub-loading as defined in claim 6, wherein: one side of the fixing plate (603) is provided with a sliding groove (605), one side of the fixing plate (603) is fixedly provided with a second forward and reverse rotating motor (606), one end of an output shaft of the second forward and reverse rotating motor (606) penetrates through the fixing plate (603) to be connected with a first screw rod (607) in a rotating mode, one end of the first screw rod (607) is connected with a second screw rod (609) in a rotating mode through a connecting sleeve (608), and the two groups of sliding plates (610) are respectively installed on the first screw rod (607) and the second screw rod (609) in a sliding mode.